783211229312 has 216 divisors, whose sum is σ = 1731128484015. Its totient is φ = 352882100736.

The previous prime is 783211229309. The next prime is 783211229363. The reversal of 783211229312 is 213922112387.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 391605614656 + 391605614656 = 625784^2 + 625784^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=625784.

It is a super-2 number, since 2×783211229312² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 783211229312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4375481639 + ... + 4375481817.

Almost surely, 2^783211229312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 783211229312

783211229312 is an abundant number, since it is smaller than the sum of its proper divisors (947917254703).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

783211229312 is an equidigital number, since it uses as much as digits as its factorization.

783211229312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 223 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The spelling of 783211229312 in words is "seven hundred eighty-three billion, two hundred eleven million, two hundred twenty-nine thousand, three hundred twelve".